Pre-Algebra Examples

$(- 2 x^{2} + x + 6) + (5 x^{2} - 4 x - 2)$

Step 1

Remove parentheses.

$- 2 x^{2} + x + 6 + 5 x^{2} - 4 x - 2$

Step 2

Add $- 2 x^{2}$ and $5 x^{2}$ .

$3 x^{2} + x + 6 - 4 x - 2$

Step 3

Subtract $4 x$ from $x$ .

$3 x^{2} - 3 x + 6 - 2$

Step 4

Subtract $2$ from $6$ .

$3 x^{2} - 3 x + 4$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$